Statistics and Measures of Variability

What is the range of the following data set: 4, 8, 6, 5, 3?

• 10

• 5

• 7

• 3

Calculate the mean of the data set: 10, 12, 14, 16, 18.

• 12

• 16

• 18

• 14

Find the median of the numbers: 7, 3, 5, 9, 1.

• 9

• 7

• 3

• 5

Identify the mode in the following set: 2, 3, 4, 2, 5, 2, 6.

• 4

• 3

• 5

• 2

What is the variance of the data set: 1, 2, 3, 4, 5?

• 4

• 2

• 1

• 3.5

Calculate the standard deviation for the numbers: 10, 20, 30, 40, 50.

• 35.00

• 25.00

• 14.14

• 10.00

Determine the range of the following values: 15, 22, 8, 19, 25.

• 20

• 30

• 12

• 17

What is the mean of these scores: 88, 92, 76, 81, 95?

• 88.5

• 90.0

• 86.4

• 84.2

Find the median of the following list: 12, 15, 11, 14, 13.

• 15

• 13

• 14

• 12

Identify the mode in this data set: 5, 7, 5, 8, 9, 5, 6.

• 7

• 8

• 9

• 5